Secondary Protein Structure quiz Flashcards
Secondary Protein Structure quiz
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What level of protein structure is associated with the alpha helix and beta-pleated sheet?
The alpha helix and beta-pleated sheet are associated with the secondary protein structure. What type of bonding is responsible for secondary protein structures?
Hydrogen bonding between the amide hydrogen and carbonyl oxygen in the protein backbone is responsible for secondary protein structures. How many residues are typically found in one turn of an alpha helix?
One turn of an alpha helix typically contains an average of 3.6 residues. What is the orientation of the alpha helix in terms of its shape?
The alpha helix adopts a right-handed or clockwise spiral shape. Where do the R groups lie in an alpha helix structure?
In an alpha helix structure, the R groups extend outward from the helix. What pattern do beta pleated sheets form?
Beta pleated sheets form a zigzag pattern with side-by-side beta strands. How are beta strands oriented in a beta pleated sheet?
Beta strands in a beta pleated sheet are oriented side by side. Where do the R groups extend in a beta pleated sheet?
In a beta pleated sheet, the R groups extend above and below the sheet. What is the role of hydrogen bonds in secondary protein structures?
Hydrogen bonds stabilize secondary protein structures by connecting amide hydrogen and carbonyl oxygen atoms. What is the primary structure of a protein composed of?
The primary structure of a protein is composed of a sequence of amino acids connected by peptide bonds.
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